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authorMathieu Othacehe <othacehe@gnu.org>2022-05-25 09:46:15 +0200
committerMathieu Othacehe <othacehe@gnu.org>2022-05-25 09:46:15 +0200
commit436afdfe46f6aac173ae161eb52367b7fdc30944 (patch)
tree839979a5bec855f04fc3f9e1b45c3c6cfa8de9f5 /doc
parentd276a7dd6162d101b7790cc8ea902abfec1eafcb (diff)
downloadguix-patches-436afdfe46f6aac173ae161eb52367b7fdc30944.tar
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doc: Improve the Foreign Architectures section.
* doc/guix.texi (Foreign Architectures): Capitalize the chapter title, remove most of "GNU Guix" occurences and other small improvements.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi42
1 files changed, 20 insertions, 22 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index d3a6966a4c..cb2efacd3e 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -174,7 +174,7 @@ Weblate} (@pxref{Translating Guix}).
* Development:: Guix-aided software development.
* Programming Interface:: Using Guix in Scheme.
* Utilities:: Package management commands.
-* Foreign architectures:: Build for foreign architectures.
+* Foreign Architectures:: Build for foreign architectures.
* System Configuration:: Configuring the operating system.
* Home Configuration:: Configuring the home environment.
* Documentation:: Browsing software user manuals.
@@ -323,9 +323,9 @@ Invoking @command{guix build}
* Additional Build Options:: Options specific to 'guix build'.
* Debugging Build Failures:: Real life packaging experience.
-Foreign architectures
+Foreign Architectures
* Using cross-compilation:: Build for foreign architecture using cross-compilation.
-* Using native building:: Build for foreign architectures natively.
+* Using native builds:: Build for foreign architectures natively.
System Configuration
@@ -15216,13 +15216,12 @@ Session_PID: 4278
@end table
@end table
-@node Foreign architectures
-@chapter Foreign architectures
+@node Foreign Architectures
+@chapter Foreign Architectures
-GNU Guix can target computers of different CPU architectures when
-producing packages (@pxref{Invoking guix package}), packs
-(@pxref{Invoking guix pack}) or full systems (@pxref{Invoking guix
-system}).
+You can target computers of different CPU architectures when producing
+packages (@pxref{Invoking guix package}), packs (@pxref{Invoking guix
+pack}) or full systems (@pxref{Invoking guix system}).
GNU Guix supports two distinct mechanisms to target foreign
architectures:
@@ -15240,14 +15239,14 @@ requires emulation, using the QEMU program for instance.
@menu
* Using cross-compilation:: Build for foreign architecture using cross-compilation.
-* Using native building:: Build for foreign architectures natively.
+* Using native builds:: Build for foreign architectures natively.
@end menu
@node Using cross-compilation
@section Using cross-compilation
@cindex foreign architectures
-The GNU Guix commands supporting cross-compilation are proposing the
+The commands supporting cross-compilation are proposing the
@option{--list-targets} and @option{--target} options.
The @option{--list-targets} option lists all the supported targets that
@@ -15271,7 +15270,7 @@ The available targets are:
- x86_64-w64-mingw32
@end example
-The targets are specified as GNU triplets (@pxref{Specifying Target
+Targets are specified as GNU triplets (@pxref{Specifying Target
Triplets, GNU configuration triplets,, autoconf, Autoconf}).
Those triplets are passed to GCC and the other underlying compilers
@@ -15289,14 +15288,14 @@ $ file /gnu/store/9926by9qrxa91ijkhw9ndgwp4bn24g9h-hello-2.12/bin/hello
The major benefit of cross-compilation is that there are no performance
penaly compared to emulation using QEMU. There are however higher risks
-that some packages fail to cross-compile because few GNU Guix users are
-using this mecanism extensively.
+that some packages fail to cross-compile because few users are using
+this mecanism extensively.
-@node Using native building
-@section Using native building
+@node Using native builds
+@section Using native builds
-The GNU Guix commands that support impersonating a specific system have
-the @option{--list-systems} and @option{--system} options.
+The commands that support impersonating a specific system have the
+@option{--list-systems} and @option{--system} options.
The @option{--list-systems} option lists all the supported systems that
can be passed as an argument to @option{--system}.
@@ -15324,9 +15323,8 @@ $ file /gnu/store/cc0km35s8x2z4pmwkrqqjx46i8b1i3gm-hello-2.12/bin/hello
32-bit LSB executable, Intel 80386 @dots{}
@end example
-In the above example, the GNU Guix current system is @var{x86_64-linux}.
-The @var{hello} package is however built for the @var{i686-linux}
-system.
+In the above example, the current system is @var{x86_64-linux}. The
+@var{hello} package is however built for the @var{i686-linux} system.
This is possible because the @var{i686} CPU instruction set is a subset
of the @var{x86_64}, hence @var{i686} targeting binaries can be run on
@@ -15345,7 +15343,7 @@ for that. In short, the Linux kernel can defer the execution of a
binary targeting a foreign platform, here @var{aarch64-linux}, to a
userspace program, usually an emulator.
-There is a GNU Guix service that registers QEMU as a backend for the
+There is a service that registers QEMU as a backend for the
@code{binfmt_misc} mechanism (@pxref{Virtualization Services,
@code{qemu-binfmt-service-type}}). On Debian based foreign
distributions, the alternative would be the @code{qemu-user-static}